What race are your DDs? Are you using deflectors on all your DDs or just some? What weapons are the Zuul using? Do you have a sense of whether the Zuul have armour?
In general I would probably avoid stormers unless you know the Zuul are unarmoured. I would also build 2 ship classes, one class that focused on maximizing snipers to put behind & slightly to the side of my front line, and another class that focused on durability (including deflectors if appropriate) and is there to engage the enemy at close range & protect the snipers.
If you want to check out how I used snipers, rockets, & stormers you can read my Dakka Attack Tarka TAR over in the TAR forum.